	//paraName 等找参数的名称

	function getUrlParams(paraName) {
		var url = document.location.toString();
		var arrObj = url.split("?");

		if (arrObj.length > 1) {
			var arrPara = arrObj[1].split("&");
			var arr;

			for (var i = 0; i < arrPara.length; i++) {
				arr = arrPara[i].split("=");

				if (arr != null && arr[0] == paraName) {
					return arr[1];
				}
			}
			return "";
		} else {
			return "";
		}
	}
